Patent US2568549A successfully refreshed from Google Patents.
US2568549A
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US
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Surf board control means
Assignee: VIOLET R KLUTTZ
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Filing: 1948-09-22
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Granted: 1951-09-18
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Expires: 1968-09-22
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Rufty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:01
CPC Classifications
B; B63; B63B; B63B34/00; B63B34/60; B63B34/50; B63B34/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |